NE5560 Philipss, NE5560 Datasheet - Page 9

• Manufacturer Part Number: NE5560
• Description: Switched-mode power supply control circuit
• Manufacturer: Philipss

Philips Semiconductors
1994 Aug 31
Switched-mode power supply control circuit
Figure 8. Error Amplifier Compensation Open-Loop Gain
60dB
1kHz
5.6V
1.1V
<0.8V
10kHz
>2V
8
(+)
20dB/DECADE
1MHz
Figure 7. Sawtooth Oscillator Synchronization
SLOPE
Figure 9. Error Amplifier
SL00367
3.72V
3
+
ERROR
AMP
–
INHIBIT
‘SET’
PWM
9
(–)
4
OUT
(–) O.C.
5
(–)
START/
STOP
V
6
S
RESET
SET
RESET
V
S
NE/SE5560
Product specification
SL00368
SL00366